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    CVE-2020-12464

    usb_sg_cancel in drivers/usb/core/message.c in the Linux kernel before 5.6.8 has a use-after-free because a transfer occurs without a reference, aka CID-056ad39ee925.

    Published:Mar 23, 2020
    Last Modified:Nov 21, 2024
    EPS:Apr 29, 2020
    EPSS Score:0.00082
    CVSS Score:6.7

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Netapp
    Product
    Active Iq Unified Manager
    Vendor
    Netapp
    Product
    Aff A700s
    Vendor
    Netapp
    Product
    Cloud Backup
    Vendor
    Netapp
    Product
    Hci Baseboard Management Controller
    Vendor
    Netapp
    Product
    Hci Compute Node
    Vendor
    Netapp
    Product
    Hci Storage Nodes
    Vendor
    Netapp
    Product
    Solidfire \& Hci Storage Node
    Vendor
    Netapp
    Product
    Solidfire Baseboard Management Controller
    Vendor
    Netapp
    Product
    Steelstore Cloud Integrated Storage
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    https://lkml.org/lkml/2020/3/23/52https://lkml.org/lkml/2020/3/23/52

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-80924 (CVSS 7.5) — In the Linux kernel, the following vulnerability has been resolved: crypto: krb5 - use kfree_sensitive() for …
    CVE-2026-80923 — In the Linux kernel, the following vulnerability has been resolved: xhci: dbgtty: Fix unregister on tty_regis…
    CVE-2026-80922 — In the Linux kernel, the following vulnerability has been resolved: crypto: qcom-rng - Allow zero as a random…
    CVE-2026-80921 (CVSS 8.8) — In the Linux kernel, the following vulnerability has been resolved: KVM: s390: vsie: zero stale crypto bits …
    CVE-2026-80920 — In the Linux kernel, the following vulnerability has been resolved: io_uring: defer eventfd signaling when qu…
    CVE-2026-80919 — In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix recursive ww_mutex acquir…
    CVE-2026-80918 — In the Linux kernel, the following vulnerability has been resolved: HID: core: fix number/pointer type confus…
    CVE-2026-80917 — In the Linux kernel, the following vulnerability has been resolved: PCI: host-generic: Fix NULL pointer deref…
    CVE-2026-80916 — In the Linux kernel, the following vulnerability has been resolved: kcov: fix data corruption and race condit…

    References

    http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html
    https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.8
    https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=056ad39ee9253873522f6469c3364964a322912b
    https://github.com/torvalds/linux/commit/056ad39ee9253873522f6469c3364964a322912b
    https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
    https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
    https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
    https://lkml.org/lkml/2020/3/23/52
    https://patchwork.kernel.org/patch/11463781/
    https://security.netapp.com/advisory/ntap-20200608-0001/
    https://usn.ubuntu.com/4387-1/
    https://usn.ubuntu.com/4388-1/
    https://usn.ubuntu.com/4389-1/
    https://usn.ubuntu.com/4390-1/
    https://usn.ubuntu.com/4391-1/
    https://www.debian.org/security/2020/dsa-4698
    https://www.debian.org/security/2020/dsa-4699
    http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html
    https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.8
    https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=056ad39ee9253873522f6469c3364964a322912b
    https://github.com/torvalds/linux/commit/056ad39ee9253873522f6469c3364964a322912b
    https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
    https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
    https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
    https://lkml.org/lkml/2020/3/23/52
    https://patchwork.kernel.org/patch/11463781/
    https://security.netapp.com/advisory/ntap-20200608-0001/
    https://usn.ubuntu.com/4387-1/
    https://usn.ubuntu.com/4388-1/
    https://usn.ubuntu.com/4389-1/
    https://usn.ubuntu.com/4390-1/
    https://usn.ubuntu.com/4391-1/
    https://www.debian.org/security/2020/dsa-4698
    https://www.debian.org/security/2020/dsa-4699

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High